component
SN74CB3T3253DBQR
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, SSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSN74CB3T3253DBQR
Texas Instruments · Signal Switches, Multiplexers, Decoders · SSOP-16-150mil
SN74CB3T3253DBQR from Texas Instruments, in a SSOP-16-150mil. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1OE | input | Output Enable 1 input, active low, 5V tolerant |
| 2 | S1 | input | Select input bit 1 for 4-to-1 channel 1 multiplexer |
| 3 | 1B4 | bidirectional | Bidirectional I/O port 4 for channel 1, supports 0V to 5.5V |
| 4 | 1B3 | bidirectional | Bidirectional I/O port 3 for channel 1, supports 0V to 5.5V |
| 5 | 1B2 | bidirectional | Bidirectional I/O port 2 for channel 1, supports 0V to 5.5V |
| 6 | 1B1 | bidirectional | Bidirectional I/O port 1 for channel 1, supports 0V to 5.5V |
| 7 | 1A | bidirectional | Common bidirectional I/O port for channel 1, supports 0V to 5.5V |
| 8 | GND | power_in | Ground connection, 0V reference |
| 9 | 2A | bidirectional | Common bidirectional I/O port for channel 2, supports 0V to 5.5V |
| 10 | 2B1 | bidirectional | Bidirectional I/O port 1 for channel 2, supports 0V to 5.5V |
| 11 | 2B2 | bidirectional | Bidirectional I/O port 2 for channel 2, supports 0V to 5.5V |
| 12 | 2B3 | bidirectional | Bidirectional I/O port 3 for channel 2, supports 0V to 5.5V |
| 13 | 2B4 | bidirectional | Bidirectional I/O port 4 for channel 2, supports 0V to 5.5V |
| 14 | S0 | input | Select input bit 0 for 4-to-1 channel 2 multiplexer |
| 15 | 2OE | input | Output Enable 2 input, active low, 5V tolerant |
| 16 | VCC | power_in | Power supply, 2.3V to 3.6V recommended operating range |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-16-150mil |
| Category | Logic |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
SN74CB3T3253DBQR - Footprint:
Package_SO:SSOP-16_5.3x6.2mm_P0.65mm - 3D model: SSOP-16-150mil (KiCad packages3D, STEP)
- 3D model files:
sn74cb3t3253dbqr-etched.step/sn74cb3t3253dbqr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn74cb3t3253dbqr.step/sn74cb3t3253dbqr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (31 pp, sha256
cc676cd28cb211ac, retrieved 2026-10-06, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).